Taro Nishinohttp://cpanratings.perl.org/dist/Judy#7164
<p>Rating: 5 stars</p><p>Have you ever heard of Judy?
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In a nutshell, Judy implements a sparse dynamic array. Consequently, it consumes memory only when it is populated. In fact, a Judy tree is more efficient on memory than any other tree.
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This module is a Perl portion of Judy. You should notice its performance.</p>Taro Nishino2010-03-25T07:09:36